Procedure:

Steep chocolate malt in 1 pint water. Add to mash tun after
draining first runnings for the strong ale. Add 2.5 gallons water
at 172F to mash tun and let settle 15 minutes. Sparge as usual
with water at 172F to collect 4.5 gallons. Add dry malt extract
and sufficient water to boiling kettle.